High-aluminum alloy for general galvanizing

C - Chemistry – Metallurgy – 23 – C

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Details

C23C 2/06 (2006.01) C22C 18/04 (2006.01) C23C 2/02 (2006.01)

Patent

CA 2669074

The present invention relates to compositions and processes for the production of high-aluminum alloy. More specifically the patent relates to compositions and processes for the production of high-aluminum alloy for general galvanizing of ferrous materials. In one embodiment, the present invention relates to a unique combination of a zinc-ammonium flux and a molten zinc-aluminum alloy bath containing silicon. The present invention also relates to an improvement in the fluxing step used in the galvanizing process for iron and steel, and high aluminum-content steel made using that improved process.

La présente invention concerne des compositions et des procédés pour la production d'un alliage à haute teneur en aluminium. La présente invention concerne plus précisément des compositions et des procédés pour la production d'un alliage à haute teneur en aluminium pour la galvanisation générale de matériaux ferreux. Selon un mode de réalisation, la présente invention concerne une combinaison unique d'un flux zinc-ammonium et d'un bain fondu d'alliage zinc-aluminium contenant du silicium. La présente invention concerne également une amélioration de l'étape de fonte utilisée dans le procédé de galvanisation pour le fer et l'acier et un acier à haute teneur en aluminium produit en utilisant ce procédé amélioré.

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